#21563A

Closest named color: Pine (#2B5D34). oklch(40.9% 0.074 157.5), rgb(33, 86, 58).

Aa

White text reads best on this color (8.54:1).

About this color

#21563A is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.074 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.029 away. White text reads best on it, at 8.54:1.

Hue familyGreens
Lightnessdark (41%)
Chromamoderately saturated (0.074)
Temperaturein between
Nearest namePine (#2B5D34)
Black text2.45:1
White text8.54:1

Values

HEX#21563A
RGBrgb(33, 86, 58)
HSLhsl(148, 45%, 23%)
OKLCHoklch(40.9% 0.074 157.5)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #21563A 8.54:1 AAA Lc -93.7 Preferred for body text
Black text on #21563A 2.45:1 Fails Lc 14.8 Not readable
#21563A text on white 8.54:1 AAA Lc 89.2 Fine for body text
#21563A text on black 2.45:1 Fails Lc -13.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #F2F7F4

    oklch(97.2% 0.007 160.1)

  2. Step 100

    100

    #E3ECE7

    oklch(93.5% 0.012 162)

  3. Step 200

    200

    #CDDED3

    oklch(88.5% 0.024 157.5)

  4. Step 300

    300

    #AACAB6

    oklch(81% 0.044 157.8)

  5. Step 400

    400

    #7CAE90

    oklch(70.7% 0.069 157.7)

  6. Step 500

    500

    #589A74

    oklch(63.1% 0.089 157.3)

  7. Step 600

    600

    #3B845D

    oklch(55.6% 0.096 157.7)

  8. Step 700

    700

    #2D704C

    oklch(49.2% 0.09 157.1)

  9. Step 800

    800 (this color)

    #21563A

    oklch(40.9% 0.074 157.5)

  10. Step 900

    900

    #254B35

    oklch(37.8% 0.058 156.7)

  11. Step 950

    950

    #162C1F

    oklch(27% 0.037 156.8)

Export this scale for Tailwind in the Tailwind colors tool

#21563A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#554F380.068
Deuteranopia (no green cones)#4E4A3C0.067
Tritanopia (no blue cones)#0E554F0.036
Achromatopsia (no color)#4C4C4C0.074

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #21563A

    #21563A

    oklch(40.9% 0.074 157.5)

  • #643A58

    #643A58

    oklch(41% 0.073 338.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21563A

    #21563A

    oklch(40.9% 0.074 157.5)

  • #3F5123

    #3F5123

    oklch(40.8% 0.073 127.1)

  • #005651

    #005651

    oklch(40.8% 0.071 188)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #21563A

    #21563A

    oklch(40.9% 0.074 157.5)

  • #553F69

    #553F69

    oklch(41% 0.073 307.5)

  • #6C3843

    #6C3843

    oklch(41% 0.074 7.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21563A

    #21563A

    oklch(40.9% 0.074 157.5)

  • #404672

    #404672

    oklch(41% 0.074 276.7)

  • #6C3B2C

    #6C3B2C

    oklch(41% 0.074 37.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21563A

    #21563A

    oklch(40.9% 0.074 157.5)

  • #264D70

    #264D70

    oklch(40.9% 0.074 247.7)

  • #643A58

    #643A58

    oklch(41% 0.073 338.3)

  • #644218

    #644218

    oklch(40.9% 0.074 68.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21563A, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #21563A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.